/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.iotdb.db.utils;

import org.apache.iotdb.commons.file.SystemFileFactory;

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.HashSet;

public class FilesUtils {

  /**
   * get all jar files in the given folder
   *
   * @param folderPath
   * @return all jar files' URL
   * @throws IOException
   */
  public static URL[] getPluginJarURLs(String folderPath) throws IOException {
    HashSet<File> fileSet =
        new HashSet<>(
            org.apache.commons.io.FileUtils.listFiles(
                SystemFileFactory.INSTANCE.getFile(folderPath), new String[] {"jar"}, true));
    return org.apache.commons.io.FileUtils.toURLs(fileSet.toArray(new File[0]));
  }
}
